18163140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{17807}}^1$

素因数の和:17836

約数の個数: 48

約数和(自身を含む): 53851392

約数和(自身を除く): 35688252

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 17807, 35614, 53421, 71228, 89035, 106842, 178070, 213684, 267105, 302719, 356140, 534210, 605438, 908157, 1068420, 1210876, 1513595, 1816314, 3027190, 3632628, 4540785, 6054380, 9081570, 18163140]

約数ペア:

[(1, 18163140), (2, 9081570), (3, 6054380), (4, 4540785), (5, 3632628), (6, 3027190), (10, 1816314), (12, 1513595), (15, 1210876), (17, 1068420), (20, 908157), (30, 605438), (34, 534210), (51, 356140), (60, 302719), (68, 267105), (85, 213684), (102, 178070), (170, 106842), (204, 89035), (255, 71228), (340, 53421), (510, 35614), (1020, 17807)]